Sortation conveyors, which direct products, for example, can be driven pneumatically or by motor. Conveyors are connected to their motors via chain, belt or couplings. The slightest error in the alignment or placement of these components could have catastrophic results, disrupting the flow of goods through the warehouse.
Here’s an overview of the types of couplings and locking devices that play a role in warehouse automation:
Locking Assemblies. Consider using locking assemblies when mounting hubs to shafts within automated storage and retrieval system (AR/AS) shuttles. The 360° clamping connection ensures torque is transmitted without inducing wear—a combination that provides the best performance for timing and repeatability. Most leading manufacturers of warehouse automation shuttles use this technology, including Dematic and Intelligrated.
Clamp Couplings. In applications where no misalignment is allowed, consider one-piece clamp couplings when connecting two shafts—a common scenario in AR/AS shuttles. This type of coupling provides both maximum coupling force and proper transmission of torque. Most leading manufacturers of warehouse automation shuttles utilize this technology.
Servo-insert Couplings. Consider these couplings if your warehouse system operates in a confined or difficult to reach area. Servo-insert couplings, available in sizes as small as 2 mm, integrate radial set screws instead of a clamping hub to connect the element to the shaft. They’re also pluggable, electrically insulating and vibration-damping—making them ideal for warehouse systems that utilize robotics or conveyor equipment. You can find this coupling style in virtually any automated warehouse, from retailers like Walmart, to package handlers like Amazon or UPS.
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